private void BlockPersisted(Block block)
{
_snapshotIndexRepository.SaveSnapshotForBlock(block.Header.Index, _stateManager.LastApprovedSnapshot);
// a new block is committed to the storage
// add to the cache
if (_heightCache.TryAdd(block.Header.Index, block))
{
_heightCacheQueue.Enqueue(block.Header.Index);
}
// if cache size exceeds limit, remove the oldest one
if (_heightCacheQueue.Count > _blockSizeLimit)
{
// remove oldest height from queue
var oldestKey = _heightCacheQueue.Dequeue();
// remove from cache dictionary
_heightCache.Remove(oldestKey);
}
// this invocation triggers consensusManager and consensusManager knows that a new block
// is added and thus stops the current era of consensus if it's running. It also triggers a
// method in pool and pool does some necessary clean-ups
OnBlockPersisted?.Invoke(this, block);
}
public static void FastSync(IStateManager stateManager, ISnapshotIndexRepository snapshotIndexRepository, string peerURL, ulong blockNumber)
{
StateDownloader stateDownloader = new StateDownloader(peerURL, blockNumber);
blockNumber = stateDownloader.DownloadBlockNumber();
Logger.LogWarning($"Performing set state to block {blockNumber}");
var snapshot = stateManager.NewSnapshot();
string[] trieNames = new string[] { "Balances", "Contracts", "Storage", "Transactions", "Blocks", "Events", "Validators" };
ISnapshot[] snapshots = new ISnapshot[] { snapshot.Balances,
snapshot.Contracts,
snapshot.Storage,
snapshot.Transactions,
snapshot.Blocks,
snapshot.Events,
snapshot.Validators };
for (int i = 0; i < trieNames.Length; i++)
{
string trieName = trieNames[i];
ulong curTrieRoot = stateDownloader.DownloadRoot(trieName);
IDictionary <ulong, IHashTrieNode> curTrie = stateDownloader.DownloadTrie(trieName);
snapshots[i].SetState(curTrieRoot, curTrie);
Logger.LogInformation($"{trieName} update done");
}
stateManager.Approve();
stateManager.Commit();
snapshotIndexRepository.SaveSnapshotForBlock(blockNumber, snapshot);
Logger.LogWarning($"Set state to block {blockNumber} complete");
}
public static void StartSync(IStateManager stateManager,
IRocksDbContext dbContext,
ISnapshotIndexRepository snapshotIndexRepository,
VersionFactory versionFactory,
ulong blockNumber)
{
dbContext.Save(EntryPrefix.NodesDownloadedTillNow.BuildPrefix(), UInt64Utils.ToBytes(0));
List <string> devnetNodes = new List <string>
{
"http://157.245.160.201:7070",
"http://95.217.6.171:7070",
"http://88.99.190.191:7070",
"http://94.130.78.183:7070",
"http://94.130.24.163:7070",
"http://94.130.110.127:7070",
"http://94.130.110.95:7070",
"http://94.130.58.63:7070",
"http://88.99.86.166:7070",
"http://88.198.78.106:7070",
"http://88.198.78.141:7070",
"http://88.99.126.144:7070",
"http://88.99.87.58:7070",
"http://95.217.6.234:7070"
};
// List <string> onlyonenode = new List<string>
List <string> localnetNodes = new List <string>
{
"http://127.0.0.1:7070",
"http://127.0.0.1:7071",
"http://127.0.0.1:7072"
};
var snapshot = stateManager.NewSnapshot();
ISnapshot[] snapshots = new ISnapshot[] { snapshot.Balances,
snapshot.Contracts,
snapshot.Storage,
snapshot.Transactions,
snapshot.Events,
snapshot.Validators, };
List <string> urls = devnetNodes;
HybridQueue hybridQueue = new HybridQueue(dbContext);
PeerManager peerManager = new PeerManager(urls);
NodeStorage nodeStorage = new NodeStorage(dbContext, versionFactory);
RequestManager requestManager = new RequestManager(nodeStorage, hybridQueue);
Downloader downloader = new Downloader(peerManager, requestManager, blockNumber);
string[] trieNames = new string[]
{
"Balances", "Contracts", "Storage", "Transactions", "Events", "Validators"
};
downloader.DownloadBlocks(nodeStorage, snapshot.Blocks);
for (int i = 0; i < trieNames.Length; i++)
{
Logger.LogWarning($"Starting trie {trieNames[i]}");
string rootHash = downloader.GetTrie(trieNames[i], nodeStorage);
bool foundRoot = nodeStorage.GetIdByHash(rootHash, out ulong curTrieRoot);
snapshots[i].SetCurrentVersion(curTrieRoot);
Logger.LogWarning($"Ending trie {trieNames[i]} : {curTrieRoot}");
Logger.LogWarning($"Max Queue Size {requestManager.maxQueueSize}");
Logger.LogWarning($"Total Nodes downloaded: {versionFactory.CurrentVersion}");
}
blockNumber = Convert.ToUInt64(downloader.GetBlockNumber(), 16);
stateManager.Approve();
stateManager.Commit();
snapshotIndexRepository.SaveSnapshotForBlock(blockNumber, snapshot);
Logger.LogWarning($"Set state to block {blockNumber} complete");
}